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What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?
I am transitioning from Java to C++ and have some questions about the long data type. In Java, to hold an integer greater than 2 32 , you would simply write long x; . However, in C++, it seems that long is both a data type and a modifier.
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Scala Programming for Android
...n some basic Android applications in Scala, nothing too epic. Not being a Java programmer I was suggested to use a "treeshake", I was explained by a friend that this strips out all the unnecessary libraries from the jar files.
I have not documented it, but I found that someone else already has:
h...
Regex to match only letters
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this page suggests only java, .net, perl, jgsoft, XML and XPath regexes support \p{L}. But major omissions: python and ruby (though python has the regex module).
– Philip Potter
Sep 1 '10 at 12:16
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Technically, why are processes in Erlang more efficient than OS threads?
...erating system. That's really what's wrong with programming languages like Java and C++. It's threads aren't in the programming language, threads are something in the operating system – and they inherit all the problems that they have in the operating system. One of the problems is granularity of ...
Programmatically update widget from activity/service/receiver
...ution in Kotlin:
val intent = Intent(this, MyAppWidgetProvider::class.java)
intent.action = AppWidgetManager.ACTION_APPWIDGET_UPDATE
val ids = AppWidgetManager.getInstance(application).getAppWidgetIds(ComponentName(getApplicationContext(),MyAppWidgetProvider::class.java!!)
Choose File Dialog [closed]
...:id="@+id/list"></ListView>
</LinearLayout>
FolderLayout.java
package com.testsample.activity;
public class FolderLayout extends LinearLayout implements OnItemClickListener {
Context context;
IFolderItemListener folderListener;
private List<String> item =...
Why is the JVM stack-based and the Dalvik VM register-based?
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There are a few attributes of a stack-based VM that fit in well with Java's design goals:
A stack-based design makes very few
assumptions about the target
hardware (registers, CPU features),
so it's easy to implement a VM on a
wide variety of hardware.
Since the operands for instructions
are...
Get HTML Source of WebElement in Selenium WebDriver using Python
...e with the current element.
Python:
element.get_attribute('innerHTML')
Java:
elem.getAttribute("innerHTML");
C#:
element.GetAttribute("innerHTML");
Ruby:
element.attribute("innerHTML")
JS:
element.getAttribute('innerHTML');
PHP:
$element->getAttribute('innerHTML');
Tested and w...
How to change background color in android app
...s, that was actually what I was looking for. In my case I have to do it in Java.
– Armfoot
Aug 30 '14 at 14:16
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How do I enable standard copy paste for a TextView in Android?
... below property to your TextView
android:textIsSelectable="true"
In your Java class write this line to set it programmatically. myTextView.setTextIsSelectable(true);
And long press on the TextView you can see copy/paste action bar.
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